Which to use
“CM1” and “cup” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,672
- “CM1” frequency rank
- #8,225
- “cup” frequency rank
- 34897
- confusion score
Side-by-Side Comparison
| Feature | CM1 | cup |
|---|---|---|
| Definition | Quatrième classe de l’école élémentaire et première classe du cycle de consolidation. | Cup menstruelle. |
Where the eye mixes CM1 and cup
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. CM1 runs 2 letters (CC) against cup's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses CM1 with cup
A purely visual mix-up. CM1 (\se.ɛ.m‿œ̃\) and cup (\kœp\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 34897, derived from the frequency rank of both members and their visual similarity.
CM1 is recorded at frequency rank #26,672, classified as anoun, pronounced \se.ɛ.m‿œ̃\. cup is at rank #8,225, tagged as anoun, pronounced \kœp\.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 34897, this pair ranks #280,613 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of CM1 vs cup
Shared letters: c. Private to "CM1": m. Private to "cup": pu.
"CM1" · 2 letters · shape CC · "cup" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "CM1" for "cup" ever safe?
Which is more common, "CM1" or "cup"?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "CM1" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cup" - compare definitions side by side with the headword page. Word entry
- This pair ranks #280,613 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "CM1" and "cup" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CM1". Nearby pair
Confusion rank #280,613 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.